<template>
  <div class="app-container">
    角色列表

    <!--查询表单-->
    <div class="search-div">
      <el-form label-width="70px"
               size="small">
        <el-row>
          <el-col :span="24">
            <el-form-item label="角色名称">
              <el-input style="width: 100%"
                        v-model="searchObj.roleName"
                        placeholder="角色名称"></el-input>
            </el-form-item>
          </el-col>
        </el-row>
        <el-row style="display: flex">
          <el-button type="primary"
                     icon="el-icon-search"
                     size="mini"
                     @click="fetchData()">搜索</el-button>
          <el-button icon="el-icon-refresh"
                     size="mini"
                     @click="resetData">重置</el-button>
        </el-row>
      </el-form>
    </div>

    <!-- 工具条 -->
    <div class="tools-div">
      <el-button type="success"
                 icon="el-icon-plus"
                 size="mini"
                 @click="add">添 加</el-button>
      <el-button class="btn-add"
                 size="mini"
                 @click="batchRemove()">批量删除</el-button>
    </div>

    <!-- 表格 -->
    <el-table v-loading="listLoading"
              :data="list"
              stripe
              border
              style="width: 100%; margin-top: 10px"
              @selection-change="handleSelectionChange">
      <el-table-column type="selection" />

      <el-table-column label="序号"
                       width="70"
                       align="center">
        <template slot-scope="scope">
          {{ (page - 1) * limit + scope.$index + 1 }}
        </template>
      </el-table-column>

      <el-table-column prop="roleName"
                       label="角色名称" />
      <el-table-column prop="roleCode"
                       label="角色编码" />
      <el-table-column prop="createTime"
                       label="创建时间"
                       width="160" />
      <el-table-column label="操作"
                       width="200"
                       align="center">
        <template slot-scope="scope">
          <el-button type="primary"
                     icon="el-icon-edit"
                     size="mini"
                     @click="edit(scope.row.id)"
                     title="修改" />
          <el-button type="danger"
                     icon="el-icon-delete"
                     size="mini"
                     @click="removeDataById(scope.row.id)"
                     title="删除" />
        </template>
      </el-table-column>
    </el-table>

    <el-dialog title="添加/修改"
               :visible.sync="dialogVisible"
               width="40%">
      <el-form ref="dataForm"
               :model="sysRole"
               label-width="150px"
               size="small"
               style="padding-right: 40px">
        <el-form-item label="角色名称">
          <el-input v-model="sysRole.roleName" />
        </el-form-item>
        <el-form-item label="角色编码">
          <el-input v-model="sysRole.roleCode" />
        </el-form-item>
      </el-form>
      <span slot="footer"
            class="dialog-footer">
        <el-button @click="dialogVisible = false"
                   size="small"
                   icon="el-icon-refresh-right">取 消</el-button>
        <el-button type="primary"
                   icon="el-icon-check"
                   @click="saveOrUpdate()"
                   size="small">确 定</el-button>
      </span>
    </el-dialog>

    <!-- 分页组件 -->
    <el-pagination :current-page="page"
                   :total="total"
                   :page-size="limit"
                   style="padding: 30px 0; text-align: center"
                   layout="total, prev, pager, next, jumper"
                   @current-change="fetchData" />
  </div>
</template>

<script>
// 引入定义接口的js文件
import api from '@/api/system/role.js'
export default {
  data () {
    return {
      listLoading: false, // 是否显示加载
      list: [], // 角色列表
      total: 0, // 总记录数
      page: 1, // 当前页
      limit: 3, // 每页显示记录数
      searchObj: {}, // 条件查询封装对象
      sysRole: {}, // 封装添加表单数据
      dialogVisible: false, // 弹出层
      selectValue: [] // 复选框选择内容封装数组
    }
  },

  created () {
    this.fetchData()
  },

  mounted () { },

  methods: {
    // 复选框发生变化执行方法
    handleSelectionChange (selection) {
      this.selectValue = selection
      console.log(this.selectValue)
    },
    // 批量删除
    batchRemove () {
      // 判断
      if (this.selectValue.length == 0) {
        this.$message.warning('请选择要删除的记录！')
        return
      }
      this.$confirm('此操作将永久删除该角色, 是否继续?', '提示', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        type: 'warning'
      }).then(() => {
        var idList = []
        // 获取多个复选框对应的id，封装到数组里面去
        for (var i = 0; i < this.selectValue.length; i++) {
          var obj = this.selectValue[i]
          var id = obj.id
          idList.push(id)
        }

        // 调用方法删除
        api.batchRemove(idList).then((response) => {
          // 提示信息
          this.$message({
            type: 'success',
            message: '删除成功!'
          })
          // 刷新
          this.fetchData()
        })
      })
    },
    // 点击确定
    saveOrUpdate () {
      if (!this.sysRole.id) {
        // 添加
        this.saveRole()
      } else {
        this.updateRole()
      }
    },
    //修改的方法
    updateRole () {
      api.update(this.sysRole).then((response) => {
        // 提示
        this.$message({
          type: 'success',
          message: '修改成功!'
        })
        // 关闭弹窗
        this.dialogVisible = false
        // 刷新页面
        this.fetchData()
      })
    },
    // 修改--数据回显
    edit (id) {
      // 弹出框
      this.dialogVisible = true
      api.getRoleId(id).then((response) => {
        this.sysRole = response.data
      })
    },
    // 添加的方法
    saveRole () {
      api.saveRole(this.sysRole).then((response) => {
        // 提示
        this.$message({
          type: 'success',
          message: '添加成功!'
        })
        // 关闭弹窗
        this.dialogVisible = false
        // 刷新页面
        this.fetchData()
      })
    },
    //点击添加，弹出框
    add () {
      this.dialogVisible = true
      this.sysRole = {}
    },
    // 重置
    resetData () {
      // 清空表单
      this.searchObj = {}
      // 查询所有记录数
      this.fetchData()
    },
    // 条件分页查询列表
    fetchData (pageNum = 1) {
      this.page = pageNum
      // ajax
      api.getPageList(this.page, this.limit, this.searchObj).then(
        (response) => {
          this.listLoading = false
          // 每页数据列表
          this.list = response.data.records
          // 总记录数
          this.total = response.data.total
        }
      )
    },
    removeDataById (id) {
      this.$confirm('此操作将永久删除该角色, 是否继续?', '提示', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        type: 'warning'
      }).then(() => {
        // 调用方法删除
        api.removeId(id).then((response) => {
          // 提示信息
          this.$message({
            type: 'success',
            message: '删除成功!'
          })
          // 刷新
          this.fetchData()
        })
      })
    }
  }
}
</script>

<style  scoped>
.search-div {
  padding: 10px;
  border: 1px solid #ebeef5;
  border-radius: 3px;
}
.tools-div {
  margin-top: 10px;
  padding: 10px;
  border: 1px solid #ebeef5;
  border-radius: 3px;
}
</style>
